package com.diy.sigmund.diyuser.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.diy.sigmund.diyuser.entity.po.TestSql;
import java.math.BigDecimal;

/**
 * @author ylm-sigmund
 * @since 2022/7/30 21:24
 */
public interface TestSqlMapper extends BaseMapper<TestSql> {

    int decreaseAccount(BigDecimal transactionAmount);
}
